rack railway
radio
radio button
radio centre
radiogram
radio programme
radio relay centre
railcard
rail motor loco
railway
railway car
railway carriage
railway engineer
railway guide
railway network
railway sleeper
railway station
railway system
railway track
raiment
rain
rainbow
raised fist
raised hand
raised hand with fingers splayed
rake
ram
rationalisation
ratted
rear-vision mirror
rebaptise
reception line
reception sidings
reception track
recognisability
recognisable
recognise
recolour
reconnoitre
reconsignment
record button
recreational vehicle
recycling symbol
red apple
red circle
red currant
red heart
red paper lantern
red triangle pointed down
red triangle pointed up
British English